For the purebred exotic cattle in India the phenotypic and genetic trends were estimated. While the phenotypic trends were positive for all the four farms, the genetic trend was found to be negative for three and positive for one. This necessitates a higher emphasis on progeny testing and sire selection for the improvement of the imported breeds.

D. K Sadana, V. N Tripathi

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume IX. Breeding programs for dairy and beef cattle, water buffalo, sheep, and goats., , 213–216, 1986
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